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2026-03-10 - 02:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue Mar 10, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263922120110,6sleep20-21swapper/219:07:132
26423211877,8sleep10-21swapper/119:07:361
264982112102,7sleep30-21swapper/319:08:353
22022210896,7sleep00-21swapper/019:05:150
218982560,0sleep30-21swapper/320:55:193
98692540,0sleep00-21swapper/019:20:160
26783993114,3cyclictest0-21swapper/222:10:122
2678399281,26cyclictest0-21swapper/219:48:522
2678199270,26cyclictest0-21swapper/120:53:411
2678199270,26cyclictest0-21swapper/100:38:541
2678199270,26cyclictest0-21swapper/100:30:511
2678199270,26cyclictest0-21swapper/100:30:511
2677699270,26cyclictest0-21swapper/023:43:570
2677699270,26cyclictest0-21swapper/023:12:090
2677699270,26cyclictest0-21swapper/022:49:060
2677699270,26cyclictest0-21swapper/000:37:330
2678399260,25cyclictest0-21swapper/223:58:362
2678399260,25cyclictest0-21swapper/221:49:312
2678399260,25cyclictest0-21swapper/221:16:322
2678399260,25cyclictest0-21swapper/220:28:472
2678399260,25cyclictest0-21swapper/200:33:002
2678399260,25cyclictest0-21swapper/200:33:002
2678199260,25cyclictest0-21swapper/121:57:461
2678199260,25cyclictest0-21swapper/121:23:111
26783992522,2cyclictest0-21swapper/221:30:262
2678399250,24cyclictest0-21swapper/219:32:282
2678199250,24cyclictest0-21swapper/122:46:121
2678199250,24cyclictest0-21swapper/122:31:361
2678199250,24cyclictest0-21swapper/119:56:261
162272250,1sleep216235-21kthreadcore23:45:192
26783992423,1cyclictest0-21swapper/200:11:242
26783992422,2cyclictest0-21swapper/219:10:462
2678399241,22cyclictest0-21swapper/222:04:022
26781992417,7cyclictest0-21swapper/100:16:421
26783992321,2cyclictest0-21swapper/219:16:092
26783992320,3cyclictest0-21swapper/219:56:142
26783992318,4cyclictest749-21snmpd23:07:552
2678399231,3cyclictest0-21swapper/220:32:582
2678399231,21cyclictest0-21swapper/221:54:322
2678399231,21cyclictest0-21swapper/221:23:382
26781992321,2cyclictest0-21swapper/123:28:511
26781992321,2cyclictest0-21swapper/122:44:331
26781992321,2cyclictest0-21swapper/119:32:461
2677699230,23cyclictest0-21swapper/000:25:180
26783992219,2cyclictest0-21swapper/223:54:542
2678399221,20cyclictest0-21swapper/200:03:242
2678399220,21cyclictest0-21swapper/222:22:512
2678399220,16cyclictest0-21swapper/222:58:352
2678199220,3cyclictest0-21swapper/120:38:051
2678199220,21cyclictest0-21swapper/123:38:481
2678199220,21cyclictest0-21swapper/100:12:431
26776992218,2cyclictest10226-21sadc22:15:000
2677699220,21cyclictest0-21swapper/023:48:360
26783992118,3cyclictest0-21swapper/219:44:332
26783992118,2cyclictest749-21snmpd20:24:502
2678399211,2cyclictest5026-21basename20:15:002
2678399211,18cyclictest0-21swapper/222:05:122
2678399210,3cyclictest0-21swapper/222:25:302
2678399210,2cyclictest3435-21cron23:35:002
2678399210,20cyclictest0-21swapper/221:41:502
2678399210,20cyclictest0-21swapper/221:06:502
2678199217,13cyclictest0-21swapper/122:35:211
26781992119,2cyclictest0-21swapper/123:44:301
26781992119,2cyclictest0-21swapper/120:03:081
26781992117,3cyclictest0-21swapper/122:58:571
2678199211,18cyclictest0-21swapper/120:40:111
2678199210,3cyclictest0-21swapper/120:33:281
2678199210,2cyclictest0-21swapper/122:23:511
2678199210,20cyclictest0-21swapper/123:58:211
2678199210,20cyclictest0-21swapper/122:13:201
2678199210,20cyclictest0-21swapper/121:41:051
2678199210,20cyclictest0-21swapper/121:26:561
2678199210,20cyclictest0-21swapper/121:19:251
2678199210,20cyclictest0-21swapper/120:14:501
2678199210,20cyclictest0-21swapper/119:17:541
2678199210,20cyclictest0-21swapper/100:08:211
26776992119,1cyclictest749-21snmpd19:17:420
26776992118,2cyclictest749-21snmpd23:03:000
2678399206,13cyclictest0-21swapper/200:35:252
26783992018,1cyclictest749-21snmpd00:29:462
26783992018,1cyclictest749-21snmpd00:18:062
26783992017,2cyclictest749-21snmpd22:38:512
26783992015,3cyclictest749-21snmpd21:10:142
26783992015,3cyclictest749-21snmpd21:10:132
2678399200,19cyclictest0-21swapper/220:44:592
2678399200,19cyclictest0-21swapper/200:24:092
2678199206,8cyclictest0-21swapper/121:35:201
2678199206,13cyclictest0-21swapper/121:00:091
26781992018,2cyclictest0-21swapper/122:06:111
26781992018,2cyclictest0-21swapper/120:28:141
26781992018,2cyclictest0-21swapper/120:09:401
26781992017,3cyclictest0-21swapper/120:16:401
26781992017,2cyclictest0-21swapper/121:48:501
2678199200,3cyclictest0-21swapper/123:52:361
2678199200,2cyclictest0-21swapper/120:56:341
2678199200,19cyclictest0-21swapper/123:34:101
2678199200,19cyclictest0-21swapper/123:01:151
2678199200,19cyclictest0-21swapper/100:04:031
26776992018,1cyclictest749-21snmpd21:31:290
26776992018,1cyclictest749-21snmpd20:56:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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